Quantum optics: Push-button photon entanglement

Date: 2014-02-28
Authors Chao-Yang Lu and Jian-Wei Pan
Journal No. Nature Photonics 8, 174 (2014)
Abstract A source of entangled photons that emits one — and only one — pair of photons on demand has now been realized in a semiconductor chip. The solid-state source will be a useful resource for experiments in optical quantum information.